./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 10:59:04,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:59:04,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:59:04,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:59:04,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:59:04,168 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:59:04,169 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:59:04,170 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:59:04,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:59:04,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:59:04,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:59:04,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:59:04,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:59:04,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:59:04,175 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:59:04,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:59:04,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:59:04,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:59:04,178 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:59:04,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:59:04,180 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:59:04,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:59:04,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:59:04,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:59:04,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:59:04,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:59:04,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:59:04,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:59:04,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:59:04,186 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:59:04,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:59:04,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:59:04,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:59:04,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:59:04,187 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:59:04,188 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:59:04,188 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 10:59:04,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:59:04,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:59:04,196 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:59:04,196 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:59:04,196 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:59:04,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:59:04,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 10:59:04,197 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 10:59:04,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:59:04,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 10:59:04,198 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9385f61fe99e17c8ecdfdd2ac56623ca621310c3 [2018-12-08 10:59:04,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:59:04,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:59:04,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:59:04,234 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:59:04,235 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:59:04,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-12-08 10:59:04,278 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/data/adf51dcb5/3612fb9ee34940b487cb60f9c37e75c0/FLAG63ddac781 [2018-12-08 10:59:04,688 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:59:04,688 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/sv-benchmarks/c/product-lines/minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-12-08 10:59:04,694 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/data/adf51dcb5/3612fb9ee34940b487cb60f9c37e75c0/FLAG63ddac781 [2018-12-08 10:59:04,702 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/data/adf51dcb5/3612fb9ee34940b487cb60f9c37e75c0 [2018-12-08 10:59:04,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:59:04,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 10:59:04,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:59:04,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:59:04,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:59:04,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:59:04" (1/1) ... [2018-12-08 10:59:04,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:04, skipping insertion in model container [2018-12-08 10:59:04,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:59:04" (1/1) ... [2018-12-08 10:59:04,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:59:04,740 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:59:04,919 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:59:04,961 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:59:05,000 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:59:05,016 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:59:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05 WrapperNode [2018-12-08 10:59:05,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:59:05,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 10:59:05,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 10:59:05,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 10:59:05,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 10:59:05,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:59:05,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:59:05,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:59:05,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... [2018-12-08 10:59:05,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:59:05,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:59:05,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:59:05,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:59:05,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:59:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 10:59:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 10:59:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:59:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:59:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:59:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:59:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 10:59:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 10:59:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 10:59:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 10:59:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:59:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 10:59:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 10:59:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 10:59:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 10:59:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 10:59:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 10:59:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 10:59:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 10:59:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 10:59:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 10:59:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 10:59:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 10:59:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 10:59:05,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 10:59:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 10:59:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 10:59:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:59:05,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:59:05,392 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:59:05,393 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 10:59:05,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:05 BoogieIcfgContainer [2018-12-08 10:59:05,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:59:05,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:59:05,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:59:05,395 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:59:05,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:59:04" (1/3) ... [2018-12-08 10:59:05,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c4fafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:59:05, skipping insertion in model container [2018-12-08 10:59:05,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:59:05" (2/3) ... [2018-12-08 10:59:05,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c4fafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:59:05, skipping insertion in model container [2018-12-08 10:59:05,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:05" (3/3) ... [2018-12-08 10:59:05,397 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55_true-unreach-call_false-termination.cil.c [2018-12-08 10:59:05,403 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:59:05,408 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 10:59:05,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 10:59:05,435 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:59:05,435 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:59:05,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 10:59:05,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:59:05,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:59:05,436 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:59:05,436 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:59:05,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:59:05,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:59:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-08 10:59:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 10:59:05,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:05,454 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:05,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:05,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:05,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1798098618, now seen corresponding path program 1 times [2018-12-08 10:59:05,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:05,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:05,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:05,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:05,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:05,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 10:59:05,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 10:59:05,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 10:59:05,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:59:05,608 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-08 10:59:05,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:05,634 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2018-12-08 10:59:05,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 10:59:05,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 10:59:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:05,642 INFO L225 Difference]: With dead ends: 304 [2018-12-08 10:59:05,642 INFO L226 Difference]: Without dead ends: 152 [2018-12-08 10:59:05,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 10:59:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-08 10:59:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-08 10:59:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-08 10:59:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2018-12-08 10:59:05,675 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2018-12-08 10:59:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:05,675 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2018-12-08 10:59:05,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 10:59:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2018-12-08 10:59:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 10:59:05,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:05,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:05,677 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:05,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash -86368443, now seen corresponding path program 1 times [2018-12-08 10:59:05,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:05,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:05,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:05,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:05,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:05,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 10:59:05,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 10:59:05,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 10:59:05,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:59:05,732 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2018-12-08 10:59:05,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:05,745 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2018-12-08 10:59:05,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 10:59:05,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 10:59:05,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:05,747 INFO L225 Difference]: With dead ends: 247 [2018-12-08 10:59:05,747 INFO L226 Difference]: Without dead ends: 143 [2018-12-08 10:59:05,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 10:59:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-08 10:59:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-08 10:59:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-08 10:59:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-12-08 10:59:05,757 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2018-12-08 10:59:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:05,757 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-12-08 10:59:05,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 10:59:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-12-08 10:59:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 10:59:05,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:05,758 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:05,758 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:05,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash 458826405, now seen corresponding path program 1 times [2018-12-08 10:59:05,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:05,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:05,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:05,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:05,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:05,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 10:59:05,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:59:05,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:59:05,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:59:05,843 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2018-12-08 10:59:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:06,082 INFO L93 Difference]: Finished difference Result 431 states and 522 transitions. [2018-12-08 10:59:06,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 10:59:06,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 10:59:06,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:06,085 INFO L225 Difference]: With dead ends: 431 [2018-12-08 10:59:06,085 INFO L226 Difference]: Without dead ends: 312 [2018-12-08 10:59:06,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:59:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2018-12-08 10:59:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2018-12-08 10:59:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2018-12-08 10:59:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2018-12-08 10:59:06,117 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2018-12-08 10:59:06,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:06,118 INFO L480 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2018-12-08 10:59:06,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:59:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2018-12-08 10:59:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 10:59:06,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:06,120 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:06,121 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:06,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:06,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1526064902, now seen corresponding path program 1 times [2018-12-08 10:59:06,121 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:06,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:06,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:06,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:06,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:06,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:06,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 10:59:06,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 10:59:06,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 10:59:06,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 10:59:06,221 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 10 states. [2018-12-08 10:59:06,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:06,579 INFO L93 Difference]: Finished difference Result 1096 states and 1428 transitions. [2018-12-08 10:59:06,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 10:59:06,580 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 10:59:06,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:06,583 INFO L225 Difference]: With dead ends: 1096 [2018-12-08 10:59:06,583 INFO L226 Difference]: Without dead ends: 816 [2018-12-08 10:59:06,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 10:59:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2018-12-08 10:59:06,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 804. [2018-12-08 10:59:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-12-08 10:59:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1012 transitions. [2018-12-08 10:59:06,633 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1012 transitions. Word has length 57 [2018-12-08 10:59:06,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:06,633 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1012 transitions. [2018-12-08 10:59:06,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 10:59:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1012 transitions. [2018-12-08 10:59:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 10:59:06,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:06,637 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:06,637 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:06,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:06,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1633146220, now seen corresponding path program 1 times [2018-12-08 10:59:06,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:06,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:06,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:06,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:06,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:06,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:59:06,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 10:59:06,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 10:59:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 10:59:06,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 10:59:06,698 INFO L87 Difference]: Start difference. First operand 804 states and 1012 transitions. Second operand 4 states. [2018-12-08 10:59:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:06,909 INFO L93 Difference]: Finished difference Result 1972 states and 2707 transitions. [2018-12-08 10:59:06,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:59:06,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 10:59:06,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:06,914 INFO L225 Difference]: With dead ends: 1972 [2018-12-08 10:59:06,915 INFO L226 Difference]: Without dead ends: 1192 [2018-12-08 10:59:06,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:59:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-12-08 10:59:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1057. [2018-12-08 10:59:06,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2018-12-08 10:59:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1336 transitions. [2018-12-08 10:59:06,981 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1336 transitions. Word has length 61 [2018-12-08 10:59:06,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:06,981 INFO L480 AbstractCegarLoop]: Abstraction has 1057 states and 1336 transitions. [2018-12-08 10:59:06,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 10:59:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1336 transitions. [2018-12-08 10:59:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 10:59:06,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:06,983 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:06,984 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:06,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:06,984 INFO L82 PathProgramCache]: Analyzing trace with hash -994037289, now seen corresponding path program 1 times [2018-12-08 10:59:06,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:06,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:06,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:06,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:06,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 10:59:07,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:59:07,054 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:59:07,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:07,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 10:59:07,228 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:59:07,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-12-08 10:59:07,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 10:59:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 10:59:07,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-12-08 10:59:07,229 INFO L87 Difference]: Start difference. First operand 1057 states and 1336 transitions. Second operand 12 states. [2018-12-08 10:59:09,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:09,105 INFO L93 Difference]: Finished difference Result 2480 states and 3389 transitions. [2018-12-08 10:59:09,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-08 10:59:09,106 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-12-08 10:59:09,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:09,111 INFO L225 Difference]: With dead ends: 2480 [2018-12-08 10:59:09,111 INFO L226 Difference]: Without dead ends: 1697 [2018-12-08 10:59:09,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 10:59:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2018-12-08 10:59:09,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1491. [2018-12-08 10:59:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-12-08 10:59:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1909 transitions. [2018-12-08 10:59:09,170 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1909 transitions. Word has length 88 [2018-12-08 10:59:09,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:09,170 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1909 transitions. [2018-12-08 10:59:09,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 10:59:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1909 transitions. [2018-12-08 10:59:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 10:59:09,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:09,174 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:09,174 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:09,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:09,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1571824138, now seen corresponding path program 1 times [2018-12-08 10:59:09,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:09,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:09,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:09,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:09,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:09,250 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 10:59:09,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:59:09,250 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:59:09,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:09,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 10:59:09,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:59:09,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 10:59:09,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 10:59:09,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 10:59:09,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:59:09,399 INFO L87 Difference]: Start difference. First operand 1491 states and 1909 transitions. Second operand 11 states. [2018-12-08 10:59:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:09,457 INFO L93 Difference]: Finished difference Result 2958 states and 3910 transitions. [2018-12-08 10:59:09,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:59:09,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2018-12-08 10:59:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:09,461 INFO L225 Difference]: With dead ends: 2958 [2018-12-08 10:59:09,461 INFO L226 Difference]: Without dead ends: 1491 [2018-12-08 10:59:09,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 10:59:09,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2018-12-08 10:59:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1491. [2018-12-08 10:59:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-12-08 10:59:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1903 transitions. [2018-12-08 10:59:09,510 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1903 transitions. Word has length 144 [2018-12-08 10:59:09,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:09,510 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1903 transitions. [2018-12-08 10:59:09,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 10:59:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1903 transitions. [2018-12-08 10:59:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 10:59:09,512 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:09,512 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:09,513 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:09,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:09,513 INFO L82 PathProgramCache]: Analyzing trace with hash 19157716, now seen corresponding path program 1 times [2018-12-08 10:59:09,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:09,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:09,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:09,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:09,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 10:59:09,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:59:09,561 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:59:09,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:09,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 10:59:09,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:59:09,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 10:59:09,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 10:59:09,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 10:59:09,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 10:59:09,699 INFO L87 Difference]: Start difference. First operand 1491 states and 1903 transitions. Second operand 9 states. [2018-12-08 10:59:10,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:10,197 INFO L93 Difference]: Finished difference Result 2859 states and 3769 transitions. [2018-12-08 10:59:10,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 10:59:10,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-08 10:59:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:10,201 INFO L225 Difference]: With dead ends: 2859 [2018-12-08 10:59:10,201 INFO L226 Difference]: Without dead ends: 1392 [2018-12-08 10:59:10,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-08 10:59:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-08 10:59:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1334. [2018-12-08 10:59:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2018-12-08 10:59:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1589 transitions. [2018-12-08 10:59:10,257 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1589 transitions. Word has length 155 [2018-12-08 10:59:10,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:10,257 INFO L480 AbstractCegarLoop]: Abstraction has 1334 states and 1589 transitions. [2018-12-08 10:59:10,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 10:59:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1589 transitions. [2018-12-08 10:59:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 10:59:10,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:10,259 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:10,259 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:10,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1449438525, now seen corresponding path program 1 times [2018-12-08 10:59:10,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:10,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:10,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:10,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:10,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 10:59:10,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:59:10,397 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:59:10,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:10,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:59:10,551 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:59:10,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-08 10:59:10,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 10:59:10,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 10:59:10,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:59:10,552 INFO L87 Difference]: Start difference. First operand 1334 states and 1589 transitions. Second operand 14 states. [2018-12-08 10:59:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:11,800 INFO L93 Difference]: Finished difference Result 3036 states and 3846 transitions. [2018-12-08 10:59:11,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 10:59:11,801 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-08 10:59:11,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:11,805 INFO L225 Difference]: With dead ends: 3036 [2018-12-08 10:59:11,805 INFO L226 Difference]: Without dead ends: 1891 [2018-12-08 10:59:11,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 10:59:11,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-12-08 10:59:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1586. [2018-12-08 10:59:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-12-08 10:59:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1875 transitions. [2018-12-08 10:59:11,859 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1875 transitions. Word has length 157 [2018-12-08 10:59:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:11,860 INFO L480 AbstractCegarLoop]: Abstraction has 1586 states and 1875 transitions. [2018-12-08 10:59:11,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 10:59:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1875 transitions. [2018-12-08 10:59:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 10:59:11,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:59:11,863 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:59:11,863 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 10:59:11,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:59:11,863 INFO L82 PathProgramCache]: Analyzing trace with hash 819622895, now seen corresponding path program 1 times [2018-12-08 10:59:11,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:59:11,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:59:11,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:11,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:11,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:59:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 10:59:11,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:59:11,948 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 10:59:11,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:59:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:59:12,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:59:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 10:59:12,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 10:59:12,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 10:59:12,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 10:59:12,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 10:59:12,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 10:59:12,101 INFO L87 Difference]: Start difference. First operand 1586 states and 1875 transitions. Second operand 13 states. [2018-12-08 10:59:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:59:12,153 INFO L93 Difference]: Finished difference Result 2111 states and 2495 transitions. [2018-12-08 10:59:12,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 10:59:12,154 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-12-08 10:59:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:59:12,154 INFO L225 Difference]: With dead ends: 2111 [2018-12-08 10:59:12,154 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 10:59:12,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 10:59:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 10:59:12,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 10:59:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 10:59:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 10:59:12,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-12-08 10:59:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:59:12,158 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 10:59:12,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 10:59:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 10:59:12,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 10:59:12,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 10:59:12,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:12,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 10:59:13,352 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-12-08 10:59:14,129 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2018-12-08 10:59:14,129 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2018-12-08 10:59:14,129 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2018-12-08 10:59:14,129 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 416 424) the Hoare annotation is: true [2018-12-08 10:59:14,130 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 416 424) no Hoare annotation was computed. [2018-12-08 10:59:14,130 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 362 386) the Hoare annotation is: true [2018-12-08 10:59:14,130 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-12-08 10:59:14,130 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 380) no Hoare annotation was computed. [2018-12-08 10:59:14,130 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 .cse1) (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) .cse1))) [2018-12-08 10:59:14,130 INFO L448 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2018-12-08 10:59:14,130 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 362 386) no Hoare annotation was computed. [2018-12-08 10:59:14,130 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 383) no Hoare annotation was computed. [2018-12-08 10:59:14,131 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 362 386) no Hoare annotation was computed. [2018-12-08 10:59:14,131 INFO L451 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-12-08 10:59:14,131 INFO L448 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-12-08 10:59:14,131 INFO L444 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,131 INFO L444 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,131 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,131 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2018-12-08 10:59:14,131 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2018-12-08 10:59:14,131 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,131 INFO L444 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,131 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L444 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 344 358) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1))) [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 344 358) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (< |old(~pumpRunning~0)| 1) (or (= |old(~systemActive~0)| 0) (< ~waterLevel~0 2))) (and (not (= ~systemActive~0 0)) .cse0)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)))) [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 344 358) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2018-12-08 10:59:14,132 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2018-12-08 10:59:14,132 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L451 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2018-12-08 10:59:14,133 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2018-12-08 10:59:14,133 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2018-12-08 10:59:14,134 INFO L451 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 976 989) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 986) no Hoare annotation was computed. [2018-12-08 10:59:14,134 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 976 989) the Hoare annotation is: true [2018-12-08 10:59:14,134 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 976 989) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 10:59:14,135 INFO L444 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L444 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-12-08 10:59:14,135 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-12-08 10:59:14,135 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-12-08 10:59:14,136 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,136 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (and (not (= ~systemActive~0 0)) .cse1) .cse2) (and .cse2 .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-08 10:59:14,136 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-08 10:59:14,136 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 10:59:14,136 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:59:14,137 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 990 998) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 990 998) the Hoare annotation is: true [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 990 998) no Hoare annotation was computed. [2018-12-08 10:59:14,137 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2)) [2018-12-08 10:59:14,138 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 967 975) the Hoare annotation is: true [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 967 975) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 967 975) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L451 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2018-12-08 10:59:14,138 INFO L448 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 923 934) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 923 934) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 935 943) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 935 943) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 935 943) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L448 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2018-12-08 10:59:14,139 INFO L451 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2018-12-08 10:59:14,140 INFO L451 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-12-08 10:59:14,140 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse2 .cse0))) [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-12-08 10:59:14,140 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (not .cse0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (< |old(~waterLevel~0)| 1)) (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse1)))) [2018-12-08 10:59:14,140 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 (< |old(~waterLevel~0)| 2) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not .cse0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1))))) [2018-12-08 10:59:14,140 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (= ~systemActive~0 0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 10:59:14,141 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 899 910) the Hoare annotation is: (or (< ~pumpRunning~0 1) (= ~systemActive~0 0) (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)) [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 899 910) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-08 10:59:14,141 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-12-08 10:59:14,141 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 10:59:14,142 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 911 922) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 911 922) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1))) (or (< ~pumpRunning~0 1) .cse1 .cse2 (= ~systemActive~0 0)))) [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point L915-1(lines 911 922) no Hoare annotation was computed. [2018-12-08 10:59:14,142 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-12-08 10:59:14,143 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 (< |old(~pumpRunning~0)| 1) .cse1 .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2018-12-08 10:59:14,143 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-12-08 10:59:14,144 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-12-08 10:59:14,144 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1))) [2018-12-08 10:59:14,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:59:14 BoogieIcfgContainer [2018-12-08 10:59:14,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:59:14,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:59:14,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:59:14,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:59:14,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:59:05" (3/4) ... [2018-12-08 10:59:14,158 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 10:59:14,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 10:59:14,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 10:59:14,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 10:59:14,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 10:59:14,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 10:59:14,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 10:59:14,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 10:59:14,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 10:59:14,170 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 10:59:14,170 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 10:59:14,171 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 10:59:14,171 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 10:59:14,171 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 10:59:14,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 10:59:14,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-12-08 10:59:14,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 10:59:14,222 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_498b7ea0-9d2d-4733-b6f8-ef304c1174e7/bin-2019/uautomizer/witness.graphml [2018-12-08 10:59:14,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:59:14,222 INFO L168 Benchmark]: Toolchain (without parser) took 9518.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 400.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 256.3 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,223 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:59:14,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,224 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 10:59:14,224 INFO L168 Benchmark]: RCFGBuilder took 334.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,224 INFO L168 Benchmark]: TraceAbstraction took 8760.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -19.7 MB). Peak memory consumption was 413.0 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,224 INFO L168 Benchmark]: Witness Printer took 67.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-08 10:59:14,225 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8760.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -19.7 MB). Peak memory consumption was 413.0 MB. Max. memory is 11.5 GB. * Witness Printer took 67.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1977 SDtfs, 2316 SDslu, 6409 SDs, 0 SdLazy, 7373 SolverSat, 1340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 960 GetRequests, 812 SyntacticMatches, 1 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1586occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 724 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3675 PreInvPairs, 3772 NumberOfFragments, 1209 HoareAnnotationTreeSize, 3675 FomulaSimplifications, 15148 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 69 FomulaSimplificationsInter, 12425 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1802 NumberOfCodeBlocks, 1802 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1787 ConstructedInterpolants, 0 QuantifiedInterpolants, 375017 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4340 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 511/582 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...